CN107162464A - A kind of cement grinding aid - Google Patents
A kind of cement grinding aid Download PDFInfo
- Publication number
- CN107162464A CN107162464A CN201710471311.XA CN201710471311A CN107162464A CN 107162464 A CN107162464 A CN 107162464A CN 201710471311 A CN201710471311 A CN 201710471311A CN 107162464 A CN107162464 A CN 107162464A
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- CN
- China
- Prior art keywords
- parts
- grinding aid
- cement grinding
- reactant
- triethanolamine
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of cement grinding aid, the grinding aid includes the component of following parts by weight：50 80 parts of triethanolamine, 30 45 parts of diethanol monoisopropanolamine, 15 30 parts of sodium lignin sulfonate, 10 18 parts of calgon, 20 36 parts of molasses fermented liquid, 60 90 parts of water.The cement grinding aid of the present invention is using triethanolamine, diethanol monoisopropanolamine as main component, auxiliary is with anion surfactant sodium lignin sulfonate, sodium hexametaphosphate dispersant, molasses fermented liquid, reduce the water consumption of cement normal consistency, composition is simple and easy to get, cost is relatively low, energy consumption is saved, grinding-aid effect is good.
Description
Technical field
The present invention relates to cement additive technical field, and in particular to a kind of cement grinding aid.
Background technology
Cement grinding aid is the chemical addition agent of a kind of improvement cement grinding effect and performance, can significantly improve cement platform
When yield, each age strength of cement, improve its mobility.The electrostatic formed in grinding process can be greatly lowered in cement grinding aid
Adsorb bag ball phenomenon, it is possible to reduce the coalescence trend again of the ultra-fine grain formed in grinding process.Cement grinding aid also can
Cement fluidity is significantly improved, the grinding effect of grinding machine and the grinding efficiency of powder concentrator are improved, so as to reduce grinding energy.Use
The cement of grinding aid production has relatively low compacting coalescence trend, so as to be conducive to the handling of cement, and can reduce cement bunker
Wall built-up phenomenon.As a kind of chemical addition agent, grinding aid can improve concrete scroll and excite aquation power, so as to improve water
Mud early strength and later strength.
In the cement grinding aid composition used at present, most commonly triethanolamine accounts for grinding aid agent prescription total amount
70% or so, it is 0.5-1% in the volume of powder class, is 0.03-0.1% in the volume of liquid type.The component of solid grinding aid is normal
There are glauber salt, Nacl, flyash, triethanolamine, powder grinding aid mother liquor etc., the component of liquid grinding aid often has liquid grinding aid
Agent mother liquor, triethanolamine, polymerized polyalcohol, polyalcohol amine, triisopropanolamine, ethylene glycol, propane diols, glycerine, sodium soap,
Calcium chloride, sodium chloride, sodium acetate, aluminum sulfate, calcium formate, calcium lignosulfonate, wooden sodium etc..But, being usually added into can cause into compared with multicomponent
This is higher, wastes compared with multiple resource and the energy.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of cement grinding aid, hence it is evident that reduces cement
Water absorption, grinding-aid effect is good.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of cement grinding aid, include the component of following parts by weight：50-80 parts of triethanolamine, diethanol list
30-45 parts of isopropanolamine, 15-30 parts of sodium lignin sulfonate, 10-18 parts of calgon, molasses fermented liquid 20-36 parts, water 60-
90 parts.
Preferably, the component of following parts by weight is included：65 parts of triethanolamine, 36 parts of diethanol monoisopropanolamine, lignin
22 parts of sodium sulfonate, 14 parts of calgon, 32 parts of molasses fermented liquid, 80 parts of water.
Preferably, the molasses fermented liquid is in beet molasses zymotic fluid, cane molasses zymotic fluid, grape molasses zymotic fluid
Any one.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acid, obtains reactant A；
Step 2, will reactant A, molasses fermented liquid add reactor in, stir and be warming up to 60-80 DEG C reaction 2-3 hours after,
It is cooled to room temperature and obtains reactant B；
Step 3, reactant B, calgon, water are added in autoclave, stir anti-under the conditions of 1-2MPa, 60-80 DEG C
Answer 3-4 hours, be cooled to room temperature；
Step 4, neutrality is adjusted to using saturated sodium carbonate solution by the reactant pH value of step 3.
Preferably, the acid of the step one is acetic acid or propionic acid.
Preferably, the rotating speed of the step 2 stirring is 600-800 revs/min.
Preferably, the rotating speed of the step 3 stirring is 1000-1200 rotating speeds/minute.
Preferably, the step 4 can also be used sodium hydroxide solution or sodium bicarbonate solution to adjust pH value.
Wherein, triethanolamine has a pair of unshared electronics with containing nitrogen-atoms in diethanol monoisopropanolamine, it is easy to
Metal ion formation covalent bond is complexed, and forms more stable complex compound with metal ion, these complex compounds are in the solution
Many solvable areas are formed, so as to improve the diffusion plastics of hydrated product, the early strength of cement are improved；In addition triethanolamine may be used also
Increasing specific surface area, reduces fineness, accelerates flow velocity.
Sodium lignin sulfonate is a kind of anion surfactant, can produce larger absorption affinity, have to cement granules
Obvious peptizaiton, can improve the flowing velocity of material in the grinding process of cement, reduce cement normal consistency water
Amount.
Calgon can play disperse cement particles, improve the effect of grinding aid efficiency.
Compared with prior art, the present invention has following beneficial effect：
The cement grinding aid of the present invention is aided in anionic surface using triethanolamine, diethanol monoisopropanolamine as main component
Activating agent sodium lignin sulfonate, sodium hexametaphosphate dispersant, molasses fermented liquid, reduce the water consumption of cement normal consistency, into
Divide simple and easy to get, cost is relatively low, has saved energy consumption, and grinding-aid effect is good.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1.
A kind of cement grinding aid, includes the component of following parts by weight：65 parts of triethanolamine, 36 parts of diethanol monoisopropanolamine, wood
22 parts of quality sodium sulfonate, 14 parts of calgon, 32 parts of beet molasses zymotic fluid, 80 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acetic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 600 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1000 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using saturated sodium carbonate solution by the reactant pH value of step 3.
Embodiment 2.
A kind of cement grinding aid, includes the component of following parts by weight：50 parts of triethanolamine, 30 parts of diethanol monoisopropanolamine, wood
20 parts of quality sodium sulfonate, 10 parts of calgon, 22 parts of cane molasses zymotic fluid, 60 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acetic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 800 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1200 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium hydroxide solution by the reactant pH value of step 3.
Embodiment 3.
A kind of cement grinding aid, includes the component of following parts by weight：58 parts of triethanolamine, 32 parts of diethanol monoisopropanolamine, wood
24 parts of quality sodium sulfonate, 12 parts of calgon, 20 parts of grape molasses zymotic fluid, 60 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acetic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 800 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1200 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium bicarbonate solution by the reactant pH value of step 3.
Embodiment 4.
A kind of cement grinding aid, includes the component of following parts by weight：64 parts of triethanolamine, 35 parts of diethanol monoisopropanolamine, wood
26 parts of quality sodium sulfonate, 16 parts of calgon, 25 parts of grape molasses zymotic fluid, 70 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by propionic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 700 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1100 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium bicarbonate solution by the reactant pH value of step 3.
Embodiment 5.
A kind of cement grinding aid, includes the component of following parts by weight：68 parts of triethanolamine, 40 parts of diethanol monoisopropanolamine, wood
22 parts of quality sodium sulfonate, 14 parts of calgon, 26 parts of grape molasses zymotic fluid, 75 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by propionic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 700 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1100 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium bicarbonate solution by the reactant pH value of step 3.
Embodiment 6.
A kind of cement grinding aid, includes the component of following parts by weight：70 parts of triethanolamine, 35 parts of diethanol monoisopropanolamine, wood
18 parts of quality sodium sulfonate, 12 parts of calgon, 26 parts of grape molasses zymotic fluid, 75 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by propionic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 700 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1100 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium bicarbonate solution by the reactant pH value of step 3.
Embodiment 7.
A kind of cement grinding aid, includes the component of following parts by weight：74 parts of triethanolamine, 42 parts of diethanol monoisopropanolamine, wood
20 parts of quality sodium sulfonate, 12 parts of calgon, 25 parts of grape molasses zymotic fluid, 82 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acetic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 700 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1100 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium bicarbonate solution by the reactant pH value of step 3.
Embodiment 8.
A kind of cement grinding aid, includes the component of following parts by weight：76 parts of triethanolamine, 42 parts of diethanol monoisopropanolamine, wood
26 parts of quality sodium sulfonate, 14 parts of calgon, 22 parts of grape molasses zymotic fluid, 85 parts of water.
The preparation method of above-mentioned cement grinding aid, comprises the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by propionic acid, obtains reactant A；
Step 2, reactant A, molasses fermented liquid are added in reactor, is stirred with 700 revs/min of speed and is warming up to 60-80
DEG C reaction 2-3 hours after, be cooled to room temperature and obtain reactant B；
Step 3, reactant B, calgon, water are added in autoclave, with 1100 under the conditions of 1-2MPa, 60-80 DEG C
Rev/min stirring reaction 3-4 hours, is cooled to room temperature；
Step 4, neutrality is adjusted to using sodium carbonate liquor by the reactant pH value of step 3.
Present invention reduces the water consumption of cement normal consistency, composition is simple and easy to get, and cost is relatively low, has saved energy consumption, helps
Mill works well.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of cement grinding aid, it is characterised in that include the component of following parts by weight：50-80 parts of triethanolamine, diethanol list
30-45 parts of isopropanolamine, 15-30 parts of sodium lignin sulfonate, 10-18 parts of calgon, molasses fermented liquid 20-36 parts, water 60-
90 parts.
2. cement grinding aid according to claim 1, it is characterised in that include the component of following parts by weight：Triethanolamine
65 parts, 36 parts of diethanol monoisopropanolamine, 22 parts of sodium lignin sulfonate, 14 parts of calgon, 32 parts of molasses fermented liquid, water 80
Part.
3. cement grinding aid according to claim 1, it is characterised in that the molasses fermented liquid ferments for beet molasses
Any one in liquid, cane molasses zymotic fluid, grape molasses zymotic fluid.
4. the preparation method of cement grinding aid according to claim 1 or 2, it is characterised in that comprise the following steps：
Step one, triethanolamine is mixed with diethanol monoisopropanolamine according to parts by weight, 40-50 DEG C is stirred 30 minutes, is added
PH value is adjusted to 5-6 by acid, obtains reactant A；
Step 2, will reactant A, molasses fermented liquid add reactor in, stir and be warming up to 60-80 DEG C reaction 2-3 hours after,
It is cooled to room temperature and obtains reactant B；
Step 3, reactant B, calgon, water are added in autoclave, stir anti-under the conditions of 1-2MPa, 60-80 DEG C
Answer 3-4 hours, be cooled to room temperature；
Step 4, neutrality is adjusted to using saturated sodium carbonate solution by the reactant pH value of step 3.
5. the preparation method of cement grinding aid according to claim 4, it is characterised in that the acid of the step one is acetic acid
Or propionic acid.
6. the preparation method of cement grinding aid according to claim 4, it is characterised in that the rotating speed of the step 2 stirring
For 600-800 revs/min.
7. the preparation method of cement grinding aid according to claim 4, it is characterised in that the rotating speed of the step 3 stirring
For 1000-1200 rotating speeds/minute.
8. the preparation method of cement grinding aid according to claim 4, it is characterised in that hydrogen can also be used in the step 4
Sodium hydroxide solution or sodium bicarbonate solution regulation pH value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471311.XA CN107162464A (en) | 2017-06-20 | 2017-06-20 | A kind of cement grinding aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471311.XA CN107162464A (en) | 2017-06-20 | 2017-06-20 | A kind of cement grinding aid |
Publications (1)
| Publication Number | Publication Date |
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| CN107162464A true CN107162464A (en) | 2017-09-15 |
Family
ID=59819053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710471311.XA Withdrawn CN107162464A (en) | 2017-06-20 | 2017-06-20 | A kind of cement grinding aid |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597405A (en) * | 2017-09-29 | 2018-01-19 | 美轲（广州）化学股份有限公司 | Grinding aid, its preparation method, the Ginding process of grinding aid liquid and zirconium silicate |
| CN108383419A (en) * | 2018-04-13 | 2018-08-10 | 江西万年青工程有限公司 | A kind of high-efficiency concrete grinding aid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665339A (en) * | 2009-09-10 | 2010-03-10 | 惠州市富力新技术有限公司 | Enhanced cement composite grinding aid |
| CN103641370A (en) * | 2013-10-12 | 2014-03-19 | 史才军 | Composite cement enhanced grinding aid containing amide polyamine polycarboxylic acids and preparation method therefor |
| CN103922630A (en) * | 2014-03-27 | 2014-07-16 | 沭阳县沂淮水泥有限公司 | Enhanced type cement composite grinding aid |
| CN104446110A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Liquid cement grinding aid with low alcohol amine content |
-
2017
- 2017-06-20 CN CN201710471311.XA patent/CN107162464A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665339A (en) * | 2009-09-10 | 2010-03-10 | 惠州市富力新技术有限公司 | Enhanced cement composite grinding aid |
| CN103641370A (en) * | 2013-10-12 | 2014-03-19 | 史才军 | Composite cement enhanced grinding aid containing amide polyamine polycarboxylic acids and preparation method therefor |
| CN103922630A (en) * | 2014-03-27 | 2014-07-16 | 沭阳县沂淮水泥有限公司 | Enhanced type cement composite grinding aid |
| CN104446110A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Liquid cement grinding aid with low alcohol amine content |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597405A (en) * | 2017-09-29 | 2018-01-19 | 美轲（广州）化学股份有限公司 | Grinding aid, its preparation method, the Ginding process of grinding aid liquid and zirconium silicate |
| CN107597405B (en) * | 2017-09-29 | 2019-12-31 | 美轲（广州）化学股份有限公司 | Grinding aid, preparation method thereof, grinding aid liquid and grinding method of zirconium silicate |
| CN108383419A (en) * | 2018-04-13 | 2018-08-10 | 江西万年青工程有限公司 | A kind of high-efficiency concrete grinding aid |
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Application publication date: 20170915 |